/*
 * class A {
 * void print(int x, int y) {
 * int z = x + y;
 * String s = "x+y=";
 * System.out.println(s + z);
 * ;
 * }
 * }
 * 
 * class B extends A {
 * String str;
 * 
 * void bb()
 * {
 * System.out.printlnr
 * }
 * }
 * 
 * public class eample3_11 {
 * 
 * }
 */